98 lines
3.1 KiB
Python
98 lines
3.1 KiB
Python
# Copyright 2014 Huawei Technologies Co. Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Module to setup logging configuration.
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.. moduleauthor:: Xiaodong Wang <xiaodongwang@huawei.com>
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"""
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import logging
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import logging.handlers
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import os
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import os.path
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import sys
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from compass.utils import flags
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from compass.utils import setting_wrapper as setting
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flags.add('loglevel',
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help='logging level', default=setting.DEFAULT_LOGLEVEL)
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flags.add('logdir',
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help='logging directory', default=setting.DEFAULT_LOGDIR)
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flags.add('logfile',
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help='logging filename', default=None)
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flags.add('log_interval', type='int',
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help='log interval', default=setting.DEFAULT_LOGINTERVAL)
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flags.add('log_interval_unit',
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help='log interval unit', default=setting.DEFAULT_LOGINTERVAL_UNIT)
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flags.add('log_format',
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help='log format', default=setting.DEFAULT_LOGFORMAT)
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# mapping str setting in flag --loglevel to logging level.
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LOGLEVEL_MAPPING = {
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'finest': logging.DEBUG - 2, # more detailed log.
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'fine': logging.DEBUG - 1, # detailed log.
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'debug': logging.DEBUG,
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'info': logging.INFO,
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'warning': logging.WARNING,
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'error': logging.ERROR,
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'critical': logging.CRITICAL,
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}
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logging.addLevelName(LOGLEVEL_MAPPING['fine'], 'fine')
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logging.addLevelName(LOGLEVEL_MAPPING['finest'], 'finest')
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# disable logging when logsetting.init not called
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logging.getLogger().setLevel(logging.CRITICAL)
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def init():
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"""Init loggsetting. It should be called after flags.init."""
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loglevel = flags.OPTIONS.loglevel.lower()
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logdir = flags.OPTIONS.logdir
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logfile = flags.OPTIONS.logfile
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logger = logging.getLogger()
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if logger.handlers:
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for handler in logger.handlers:
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logger.removeHandler(handler)
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if logdir:
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if not logfile:
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logfile = os.path.basename(sys.argv[0])
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handler = logging.handlers.TimedRotatingFileHandler(
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os.path.join(logdir, logfile),
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when=flags.OPTIONS.log_interval_unit,
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interval=flags.OPTIONS.log_interval)
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else:
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if not logfile:
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handler = logging.StreamHandler(sys.stderr)
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else:
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handler = logging.handlers.TimedRotatingFileHandler(
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logfile,
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when=flags.OPTIONS.log_interval_unit,
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interval=flags.OPTIONS.log_interval)
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if loglevel in LOGLEVEL_MAPPING:
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logger.setLevel(LOGLEVEL_MAPPING[loglevel])
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handler.setLevel(LOGLEVEL_MAPPING[loglevel])
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formatter = logging.Formatter(
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flags.OPTIONS.log_format)
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handler.setFormatter(formatter)
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logger.addHandler(handler)
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